| A | B |
| solar | of the sun |
| energy | abiity to do work |
| hydroelectric | developing electricity from water power |
| nuclear | of nuclei or nucleus |
| atom | the smallest particle of an element |
| reactor | a vat or apparatus for the release of atomic energy |
| electron | the tiny particle carrying one unit of negative electricity |
| proton | a tiny particle in an atom carrying one unit of positive electricity |
| neutron | a tiny particle that is neutral electricity |
| deposit | put down,lay down |
| molecule | smallest particle an element can be divided without changing it's properties |
| radiation | particles of electromagnetic waves by the atoms of a radioactive substance |
| circuit | arrangement of wiring or tubes |
| electricity | form of energy thatcan produce light,heat,motion,and magnetic force |
| laser | device that produces a very narrow beam of light |
| anthracite | coal that burns with very little smoke and flame |
| resources | actual and potential wealth of a country |
| turbine | engine or motor consisting of a wheel with vanes |
| matter | a solid,liquid,or gas that takes up space |
| friction | force between surfaces that resists the movement of one surface past the other surface |
| pulley | simple machine made up of at least one grooved wheel, and a rope,chain,or belt |
| lever | bar that turns on a fixed support called the fulcrum and is used to transmit effort and motion |
| renewable | able to be made new again |
| nonrenewable | not able to make again |
| electromagnetic | of or caused by an electromagnet |